Question 3
[Maximum number: 1]
Which molecule is a polysaccharide?
A
Glucagon
B
Glucose
C
Glycerol
D
Glycogen
IB Biology HL B1.1 Carbohydrates and lipids Question Bank
B1.1 Carbohydrates and lipids
- B1.1.1—Carbon atom properties
- B1.1.2—Macromolecules by condensation
- B1.1.3—Digestion by hydrolysis
- B1.1.4—Form and function of monosaccharides
- B1.1.5—Polysaccharides as energy storage
- B1.1.6—Cellulose structure and function
- B1.1.7—Glycoproteins in cell-cell recognition
- B1.1.8—Hydrophobic properties of lipids
- B1.1.9—Formation of triglycerides and phospholipids
- B1.1.10—Fatty acids
- B1.1.11—Triglycerides functions
- B1.1.12—Phospholipid bilayers
- B1.1.13—Non-polar steroids
Question 4
[Maximum number: 1]
Which features of phospholipids give them their amphipathic properties?
A
Basic phosphate groups and acidic lipids
B
Acidic phosphate groups and basic lipids
C
Hydrophobic phosphate groups and hydrophilic fatty acids
D
Hydrophilic phosphate groups and hydrophobic fatty acids
Question 4
[Maximum number: 1]
Which substance is used for structure in plants?
A
Amylopectin
B
Cellulose
C
Collagen
D
Starch
Question 5
Which molecule represents a lipid?
Question 5
[Maximum number: 1]
Testosterone is a hormone that is important for male reproductive development.
To which group of compounds does testosterone belong?
A
Nucleotides
B
Carbohydrates
C
Lipids
D
Amino acids
Question 5
[Maximum number: 1]
What feature of carbon makes it most suitable as a basis for life?
A
Its abundance in nature
B
Its bonding properties
C
Its reactivity to light
D
Its presence in the early atmosphere of the Earth
Question 5
[Maximum number: 1]
What are the type of reaction and the product(s) shown in this reaction?
Reaction
Product(s)
condensation
two nucleotides
condensation
one dinucleotide
hydrolysis
two nucleotides
hydrolysis
one dinucleotide
Question 5
[Maximum number: 1]
What characteristic shows that this steroid molecule is a lipid?
A
It is made of carbon rings.
B
It has a very low proportion of oxygen to carbon.
C
It contains OH groups as do fatty acids.
D
It is made only of nitrogen, oxygen and hydrogen.
Question 5
[Maximum number: 1]
Which structure represents a fatty acid?
A
B
C
D
Question 5
[Maximum number: 1]
Which molecule can have cis and trans isomers?
A
B
C
D